<template>
    <div class="shopcar-container">
        <div class="goods-list">

            <!-- 商品列表区域 -->
            <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
                
				<div class="mui-card-content" :id="item.id">
					<div class="mui-card-content-inner">
						<mt-switch v-model="$store.getters.getGoodsSelected[item.id]" @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src="item.thumb_path" alt="">
                        <div class="info" >
                            <h1>{{item.title}}</h1>
                            <p>
                                <span class="price">¥{{item.sell_price}}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <!-- 问题：如何从购物车中获取商品的数量 -->
                                <!-- 1.我们可以先创建一个空对象，然后循环购物车中所有商品的数据，把当前循环这条商品的id作为对象的属性名，count值作为对象的属性值，这样当把所有的商品循环一遍，就会得到一个对象{88:2,89:1,90:4} -->
                                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                                
                            </p>
                        </div>
					</div>
				</div>
			</div>
        </div>


        <!-- 结算区域 -->
        <div class="mui-card">
			<div class="mui-card-content">
				<div class="mui-card-content-inner jiesuan">
						<div class="left">
                            <p>总计(不含运费)</p>
                            <p>已勾选商品 <span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span> 件， 总价 ¥ <span class="red">{{$store.getters.getGoodsCountAndAmount.amount}}</span>
                            </p>
                        </div>
                        <mt-button type="danger">去结算</mt-button>
					</div>
				</div>
		</div>
    </div>
</template>

<script>
import numbox from '../subcomponents/shopcar_numbox.vue'

export default {
    data() {
        return {
            goodslist:[],//购物车中所有商品的数据
        }
    },
    created () {
        this.getGoodsList()
    },
    methods:{
        getGoodsList(){
            //this.shopCar= localStorage.car;
           // 1.货渠道 store 中 所有商品的Id，然后拼接出一个用逗号分隔的字符串
            var idArr = []
            //console.log(this.shopCar);
            this.$store.state.car.forEach(item=>idArr.push(item.id))
            

            //console.log("---132334"+this.$store.state.car);
            //如果购物车中没有商品，则直接返回，不需要请求数据接口，否则会报错
            if(idArr.length<=0){
                return;
            }
            //console.log("------"+idArr);
            //+idArr
            // 获取购物车商品列表
            this.$http.get('/src/json/shopcar.json?id='+idArr).then(result=>{
                if(result.body.status === 0 ){
                    this.goodslist = result.body.message

                    //console.log('ok')
                }
            })
        },
        remove(id,index){
            //点击删除，把商品从store 中根据传递的id删除，同时把当前组件中的goodslist对应要删除的那个商品，使用index来删除
            this.goodslist.splice(index,1)
            this.$store.commit('removeFromCar',id)
        },
        selectedChanged(id,val){
            //每当点击开关把最新的状态同步到store 中
            //console.log(id+'------'+val)
            this.$store.commit("undateGoodsSelected",{id,selected:val})
        }
    },
    components: {
        numbox
    }
}
</script>


<style lang="scss" scoped>

.shopcar-container{
    background-color: #eeeeee;
    overflow: hidden;

    .goods-list{
        .mui-card-content-inner{
            display: flex;
            align-items: center;
        }
        img{
            width: 60px;
            height: 60px;
        }
        h1{
            font-size: 13px;
        }
        .info{
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            h1{
                margin-top: 15px;
            }
            p{
                margin-top: 8px;
            }
            .price{
                color:red;
            }
        }
    }

    .jiesuan{
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red{
            color: red;
            font-weight: bold;
            font-size: 16px;
        }
    }
}
</style>


